Update app.py

app.py

@@ -947,7 +947,8 @@ if query:
             dataset = Dataset.from_dict({'id': [], 'text': []})
 
         # Append the new comment to the dataset
-        dataset = dataset.append({'id': len(dataset), 'text': comment})
+        new_comment = {'id': len(dataset), 'text': comment}
+        dataset = dataset.extend([new_comment])
 
         # Save the dataset to disk
         dataset.save_to_disk('comments')
@@ -955,6 +956,7 @@ if query:
         print('Comment saved to dataset.')
 
 
+
     st.title("Abstractalytics Web App")
     st.write("We appreciate your feedback!")